-ey c-- ccc cce ccs ccv ce- cec cee ces cev cey csc cse css csv csy cvc cve cvs cvv cyc cye cys ec- ecc ece ecs ecv eec eee ees eev eey es- esc ese ess esv esy evc eve evs evv evy eyc eye eys scc sce scs scv se- sec see ses sev sey ss- ssc sse sss ssv svc sve svs svv svy sy- syc sye sys v-e vcc vce vcs vcy vec vee ves vey vsc vse vss vsv vvc vvs vvv vye ycc yce ycs ycv ycy yec yee yes yev yey ysc yse yss ysy yve yvy yyc yye yys yyy